python - pq: Add README and some support for setuptools.

Log Message:
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Add README and some support for setuptools.

Distutils used default.

Modified Files:
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pq:
setup.py (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/pq/setup.py.diff?r1=1.4&r2=1.5)

Added Files:
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pq:
README (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/pq/README?rev=1.1&content-type=text/x-cvsweb-markup)